Home / 1,258,209.96-1,736,373.21-714,327.66

Finding the Fourth Proportional to 1,258,209.96, 1,736,373.21 and 714,327.66

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Solution

The fourth proportional to 1,258,209.96, 1,736,373.21 and 714,327.66 is: 985,796.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,258,209.96 : 1,736,373.21 = 714,327.66 : x
  2. Step 2: Convert to fraction form
    1,258,209.96/1,736,373.21 = 714,327.66/x
  3. Step 3: Cross multiply
    1,258,209.96x = 1,736,373.21 × 714,327.66
  4. Step 4: Simplify right side
    1,258,209.96x = 1,240,339,409,307.26
  5. Step 5: Solve for x
    x = 1,240,339,409,307.26/1,258,209.96
  6. Step 6: Final answer
    x = 985,796.85

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.